FDA Adverse Event Malfunction Summary report: N

LUMIRADX SARS-COV-2 AG TEST STRIP KIT

MDR report key: 11821189 · Received May 13, 2021

Report

Report Number
3012642695-2021-01084
Event Type
Malfunction
Date Received
May 13, 2021
Date of Event
April 8, 2021
Report Date
May 13, 2021
Manufacturer
LUMIRADX UK LTD.
Product Code
QKP
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
AU
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

PATIENT WAS REPORTED TO BE SYMPTOMATIC WHEN INITIAL LUMIRADX SARS-COV-2 AG TEST WAS PERFORMED ON (B)(6) 2021 WITH STRIP LOT 6000091 AND INSTRUMENT SERIAL NUMBER (B)(4). SECONDARY TESTING ON THE LUMIRADX PLATFORM PRODUCED A NEGATIVE RESULT. THE CUSTOMER REPORTED THE FOLLOWING PROCESS FOR TESTING ON THE LUMIRADX PLATFORM: "ONE SAMPLE [COLLECTED AND PREPARED AT A TIME], NASAL, DIRECT TESTING." THE CUSTOMER REPORTED THEIR CLEANING PRACTICES TO BE "AS RECOMMENDED BY [THE MANUFACTURER]", AND FURTHER REPORTED THAT GLOVES ARE CHANGED AFTER EACH SAMPLE. LOT 6000091 MET ALL DEFINED QC CRITERIA AT THE TIME IT WAS RELEASED AND TESTING USING NEGATIVE NASAL SWABS FROM IN-HOUSE DONORS MEETS EXPECTED PERFORMANCE FOR USE IN THE FIELD. REVIEW OF PRODUCT RISK ASSESSMENT - SARS-COV-2 AG ASSAY REVISION 7, RESULTED IN SEVERITY OF MODERATE, AS FOLLOWS: DELAYED DIAGNOSIS LEADING TO DELAYED TREATMENT OF THE TRUE CAUSE OF THE PATIENT'S SYMPTOMS. UNNECESSARY ISOLATION. NO PATIENT HARM, INJURY OR ADVERSE HEALTH CONSEQUENCES WERE COMMUNICATED BY THE CUSTOMER TO LUMIRADX FOR THE REPORTED DISCORDANT RESULT. TRENDING DATA FOR DISCORDANT RESULTS WAS REVIEWED FOR THIS LOT AND THE OCCURRENCE RATE PER QUANTITY OF STRIPS IN THE FIELD WAS CALCULATED AS (B)(4). LUMIRADX SARS-COV-2 AG TEST PRODUCT INSERT CLAIMS A SPECIFICITY OF 96.6% WITH A REFERENCE RT-PCR ASSAY AND IT IS ACCEPTED THAT UP TO 3.4% OF TEST STRIPS MAY GENERATE A DISCORDANT FALSE POSITIVE RESULT. ROOT CAUSE DETERMINATION: NO DEFINITIVE ROOT CAUSE HAS BEEN DETERMINED FOR THE REPORTED DISCORDANT RESULT BASED ON THE INFORMATION CURRENTLY AVAILABLE. INVESTIGATION CONCLUSION AND STATUS OF INVESTIGATION: A FIELD CORRECTIVE ACTION IN THE FORM OF AN INSTRUMENT SOFTWARE UPDATE WAS ISSUED TO ADDRESS THIS LOT DUE TO OBSERVATIONS OF A HIGHER POTENTIAL FOR FALSE POSITIVE RESULTS IN A POPULATION OF TEST STRIPS WITHIN THE LOT. HOWEVER, THE INDIVIDUAL TEST STRIP ID ASSOCIATED IN THIS EVENT ((B)(6)) DOES NOT MEET THE SCOPE OF THE FIELD CORRECTIVE ACTION. THEREFORE, NO FURTHER INVESTIGATION IS CONSIDERED NECESSARY AT THIS TIME. THE REMAINING TEST STRIPS WITHIN THE LOT THAT WERE NOT SUBJECT TO THE FIELD CORRECTIVE ACTION CONTINUE TO DEMONSTRATE FIELD PERFORMANCE WITHIN SPECIFICATION OF PRODUCT CLAIMS RELATIVE TO THE QUANTITY OF STRIPS FROM THESE LOT RANGES IN THE FIELD. REPORTS OF DISCORDANT RESULTS FOR THIS LOT WILL CONTINUE TO BE TRENDED AND REVIEWED, WITH ACTION TAKEN AS APPROPRIATE IN RESPONSE TO ANY ADVERSE TRENDS OR EVENTS INCLUDING A FOLLOW-UP REPORT.

Description of Event or Problem · 1

THIS IS REPORT 4 OF 6 FOR THIS FACILITY AND AWARE DATE. THE CUSTOMER REPORTED A SUSPECTED FALSE (INCORRECT) POSITIVE RESULT FROM A RAPID RESULT COVID TEST SYSTEM ON AN INDIVIDUAL SYMPTOMATIC PATIENT.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
715435 LUMIRADX SARS-COV-2 AG TEST STRIP KIT CORONAVIRUS ANTIGEN DETECTION TEST SYSTEM QKP LUMIRADX UK LTD. 6000091

Patients

Seq Age Sex Outcome Treatment
1